// Update is called once per frame
private void Update()
{
if (Time.frameCount % FrameInterval == 0)
{
//Initialize
if (Service == null)
{
Service = UWPBridgeService.GetService <IOcrService>();
Service.OnRecognized = SetString;
}
//Perform optical character recognition
Service.Recognize();
}
}
/// <summary>
/// Prepare the device to perform optical character recognition and initialize the <see cref="OcrService" />.
/// </summary>
public static async Task InitializeOcrServiceAsync(SetMediaCaptureObjectAsync action)
{
//Get camera device of HoloLens.
var deviceInformationCollection = await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture);
var deviceInformation = deviceInformationCollection[0];
var captureElementSource = new MediaCapture();
await captureElementSource.InitializeAsync(new MediaCaptureInitializationSettings
{
VideoDeviceId = deviceInformation.Id
});
await action(captureElementSource);
UWPBridgeService.AddService <CameraScript.IOcrService>(new OcrService(captureElementSource));
}